dlls/krnl386.exe16/int15.c

   1 /*
   2  * BIOS interrupt 15h handler
   3  *
   4  * Copyright 1997 Jan Willamowius
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdlib.h>
  22 #include "dosexe.h"
  23 #include "wine/debug.h"
  24 #include "wine/winbase16.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(int);
  27
  28
  29 /**********************************************************************
  30  *          DOSVM_Int15Handler
  31  *
  32  * Handler for int 15h
  33  */
  34 void WINAPI DOSVM_Int15Handler( CONTEXT86 *context )
  35 {
  36     switch(AH_reg(context))
  37     {
  38     case 0x4f: /*catch keyboard*/
  39         FIXME("INT15: intercept keyboard not handled yet\n");
  40         break;
  41     case 0x83: /* start timer*/
  42         switch(AL_reg(context))
  43         {
  44         case 0x00: /* Start Timer*/
  45             FIXME("INT15: Start Timer not handled yet\n");
  46             break;
  47         case 0x01: /* stop  timer*/
  48             FIXME("INT15: Stop Timer not handled yet\n");
  49             break;
  50         }
  51         break;
  52     case 0x84: /* read joystick information */
  53         FIXME("Read joystick information not implemented\n");
  54
  55         /* FIXME: report status as if no game port exists */
  56         switch(DX_reg(context))
  57         {
  58         case 0x0: /* read joystick switches */
  59             SET_AL( context, 0x0 ); /* all switches open */
  60             break;
  61         case 0x1: /* read joystick position */
  62             SET_AX( context, 0x0 );
  63             SET_BX( context, 0x0 );
  64             SET_CX( context, 0x0 );
  65             SET_DX( context, 0x0 );
  66             break;
  67         default:
  68             INT_BARF( context, 0x15 );
  69             break;
  70         }
  71
  72         RESET_CFLAG(context);
  73         break;
  74     case 0x85: /* sysreq - key  used*/
  75         FIXME("INT15: SysReq - Key not handled yet\n");
  76         break;
  77     case 0x86: /* wait*/
  78         FIXME("INT15: Wait not correctly handled yet\n");
  79         if ( AL_reg( context ) != 0x00 ) ERR("Invalid Input to Int15 function 0x86h AL != 0x00\n");
  80         break;
  81     case 0x87: /* move memory regions*/
  82         FIXME("INT15: Move memory regions not implemented\n");
  83         break;
  84
  85     case 0x88: /* get size of memory above 1 M */
  86         SET_AX( context, 64 );  /* FIXME: are 64K ok? */
  87         RESET_CFLAG(context);
  88         break;
  89     case 0x89: /*  Switch to protected mode*/
  90         FIXME("INT15: switching to protected mode not supported\n");
  91         break;
  92     case 0x90:/* OS hook  - Device busy*/
  93         FIXME("INT15: OS hook - device busy\n");
  94         break;
  95     case 0x91: /* OS hook -  Device post*/
  96         FIXME("INT15: OS hook - device post\n");
  97         break;
  98
  99     case 0xc0: /* GET CONFIGURATION */
 100         if (ISV86(context))
 101         {
 102             /* real mode segment */
 103             context->SegEs = 0xf000;
 104         }
 105         else
 106         {
 107             /* KERNEL.194: __F000H - protected mode selector */
 108             FARPROC16 proc = GetProcAddress16( GetModuleHandle16("KERNEL"),
 109                                                (LPCSTR)(ULONG_PTR)194 );
 110             context->SegEs = LOWORD(proc);
 111         }
 112         SET_BX( context, 0xe6f5 );
 113         SET_AH( context, 0x0 );
 114         RESET_CFLAG(context);
 115         break;
 116
 117     case 0xc2:
 118         switch(AL_reg(context))
 119         {
 120         case 0x00: /* Enable-Disable Pointing Device (mouse) */
 121             /* BH = newstate, 00h = disabled 01h = enabled */
 122             switch(BH_reg(context))
 123             {
 124                 case 0x00:
 125                     FIXME("Disable Pointing Device - not implemented\n");
 126                     break;
 127                 case 0x01:
 128                     FIXME("Enable Pointing Device - not implemented\n");
 129                     break;
 130                 default:
 131                     INT_BARF( context, 0x15 );
 132                     break;
 133             }
 134             SET_AH( context, 0x00 ); /* successful */
 135             break;
 136         case 0x02: /* Set Sampling Rate */
 137             /* BH = sampling rate */
 138             FIXME("Set Sampling Rate - not implemented\n");
 139             SET_AH( context, 0x00 ); /* successful */
 140             break;
 141         case 0x04: /* Get Pointing Device Type */
 142             FIXME("Get Pointing Device Type - not implemented\n");
 143             /* FIXME: BH = Device id, What is it supposed to be? */
 144             SET_BH( context, 0x01 );
 145             break;
 146         default:
 147             INT_BARF( context, 0x15 );
 148         }
 149         break;
 150     case 0xc3: /* set carry flag, so BorlandRTM doesn't  assume a Vectra/PS2*/
 151         FIXME("INT15: 0xc3\n");
 152         SET_AH( context , 0x86 );
 153         break;
 154     case 0xc4: /*  BIOS POS Program option select  */
 155         FIXME("INT15: option 0xc4 not handled!\n");
 156         break;
 157
 158     default:
 159         INT_BARF( context, 0x15 );
 160     }
 161 }